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The gears are the same...

The differential and axles are what are different the gears are the same...
 

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Discussion Starter #3
yea I have 31 spline axles.I wanting to install 31 spline spiders to install axles.just wanting to know if they will fit in unit....
 

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The gears are swappable...But for 31 spline axles you need a 31 spline diff...

Do you already have a 31 spline diff?

Or are you trying to make a 28 Spline Diff into a 31 Spline Diff?

As far as i know you cant do that...
 

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The gears are swappable...But for 31 spline axles you need a 31 spline diff...

Do you already have a 31 spline diff?

Or are you trying to make a 28 Spline Diff into a 31 Spline Diff?

As far as i know you cant do that...
I have never heard of it but they are the same size. I wonder if you could just change the spider gears?:confused:
 

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I have never heard of it but they are the same size. I wonder if you could just change the spider gears?:confused:
Same here...

Never heard of anyone doing it...

So I really dont know how to really answer this...
 

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Discussion Starter #7
I have both units 31 and 28..28 inthe car now ..im wanting to put 31 spline in, to use alloy axles ,I will take it apart and find out ..I will post if it fits
 

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I have both units 31 and 28..28 inthe car now ..im wanting to put 31 spline in, to use alloy axles ,I will take it apart and find out ..I will post if it fits
Why not just use the 31 spline unit the way it is, instead of transplanting the 31 spline spiders in the 28 spline diff?

Other than being courious which I'm too. I guess it make it easier to reshim since you could put it back together the same way it came out.

I have the usa alloy axles and I'm very happy with them.
 

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Discussion Starter #10
I dont want to pull unit out of car..if i install 31 unit i have to reshim it and pull the bearings..Im trying a quick fix...
 
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